Vintage Tele Vue 1.8x Barlow 1 1/4" Zoom Filter Diameter

Filter Diameter

It does this by radically realigning the fundamental pixel structure from front-illumination to back-illumination

and light moisture while keeping everything protected and stable

Because of the extra-large image circle

The device performed 2 focusing operations per hour

Vintage Tele Vue 1.8x Barlow 1 1/4" Zoom Filter DiameterCondition: This is a used original type 1. 8x 1. 25" Tele Vue Barlow, and like all TeleVue products, it is Japanese made. It is in great condition, showing some signs of use, and has relatively clean optics. It has the original box, but no dust covers. Description Tele Vue Barlows reduce aberrations to below the airy disc in an f 4 system and lay to rest the popular myth of the "degrading Barlow." Properly designed Barlows do wonderful things: They